Service Mode

Just as Mk-2, Mk-3 provides an on-screen service mode for diagnosis. The service mode provides five different test screens:

• On-board monitor
• Navigation/Graphic element
• GPS
• Sensor Check
• Telematics

To enter the Navigation Service Mode: 

• Turn the ignition key to position 1 (KL R).
• From the Menu screen select "SET".
• Once in the Set screen, press and hold the "MENU" button for 8 seconds.
• The Service Mode menu will appear on the display.
• Select from the Service Mode menu for navigation specific tests.
  Fig 1: Identifying Navigation System Display

  
  Fig 2: Identifying Service Mode Main Menu Display